Accelerated multi-hillshade hierarchic clustering for automatic lineament extraction

Ondřej Kaas, Jakub Šilhavý, Ivana Kolingerová () and Václav Čada
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Ondřej Kaas: University of West Bohemia
Jakub Šilhavý: University of West Bohemia
Ivana Kolingerová: University of West Bohemia
Václav Čada: University of West Bohemia

Journal of Geographical Systems, 2024, vol. 26, issue 1, No 4, 73-90

Abstract: Abstract The lineaments are linear features reflecting mountain ridges or discontinuities in the geological structure. Lineament extraction is not an easy problem. Recently, an automatic approach based on multi-hillshade hierarchic clustering (MHHC) has been developed; the approach is based on line extraction from a raster image. An essential part of this approach is spatial line segment clustering, a powerful but relatively slow tool. This paper presents a modification of MHHC, which solves the spatial line segment clustering as a facility location problem. The proposed modification is faster than MHHC while not changing the method’s core.

Keywords: Lineaments; GIS; Automatic extraction; Clustering; Facility location (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s10109-023-00423-y

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